/// <summary>
/// Sets the parent for the current model element to the given element
/// </summary>
/// <param name="newParent">The new parent for the given element</param>
private void SetParent(IModelElement newParent)
{
var newParentME = newParent as ModelElement;
if (newParentME != parent)
{
var oldParent = parent;
if (newParentME != null)
{
OnParentChanging(newParentME, parent);
Uri oldUri = null;
if (IsFlagSet(ModelElementFlag.RequireUris))
{
oldUri = AbsoluteUri;
}
parent = newParentME;
var newModel = newParentME.Model;
var oldModel = oldParent != null ? oldParent.Model : null;
if (oldParent != null)
{
if (EnforceModels && oldModel != null && newModel == null)
{
oldModel.RootElements.Add(newParentME);
}
}
if (oldParent != null && oldParent.IsFlagSet(ModelElementFlag.RequireUris) && oldUri != null)
{
oldParent.OnBubbledChange(BubbledChangeEventArgs.UriChanged(this, new UriChangedEventArgs(oldUri)));
}
else if (bubbledChange == null)
{
UnregisterBubbledChangeRequest();
}
if (newParentME.IsFlagSet(ModelElementFlag.RaiseBubbledChanges) || newParentME.bubbledChange != null)
{
RequestBubbledChanges();
}
if (newParentME.IsFlagSet(ModelElementFlag.RequireUris))
{
RequestUris();
OnUriChanged(oldUri);
}
newParentME.OnChildCreated(this);
if (newModel != oldModel)
{
PropagateNewModel(newModel, oldModel, this);
}
OnParentChanged(newParentME, oldParent);
}
else
{
parent = null;
var oldModel = oldParent.Model;
if (bubbledChange == null)
{
UnregisterBubbledChangeRequest();
}
if (oldModel != null)
{
PropagateNewModel(null, oldModel, this);
}
OnParentChanged(null, oldParent);
}
}
}
public ModelElementExtensionsProxy(ModelElement element)
{
this.element = element;
}